Definitions
What's weighing on it?
It's happening inside
100

This can make objects moving or stop their motion. It's a push or a pull.

What is a force?

100

A weight or source of pressure that creates an external force on a structure.

What is a load? 

100

A force that acts from within the structure.

What is an internal force?

200

A push or a pull that acts from outside a structure.

What is an external force?

200

The size, position and direction of a static load always remain the same. The weight of a structure is one example for this type of load. 

What is static load?

200

This force has a twisting motion.

What is torsion? 

300

We use this name for forces that are created when two objects touch. 

What are contact forces?
300

Wind or snow are examples of this load putting force onto structures. 

What is dynamic load?

300

This force pushes in opposite directions.

What is shear?

400

Torsion, shear or compression are all examples for this phenomenon. 

What are internal forces? 

400

Type of load a roof put on a house.

What is static load?
400

A force that squeezes or presses something together.

What is compression?

500

This is an external force that can change when acting on a structure. 

What is dynamic load? 

500

A car going over a bridge is an example for this type of load that is putting weight on a structure.

What is dynamic load?

500

a stretching force that expands or lengthens

What is tension?

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